MAX6831TZUT+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Low-power, high-accuracy, reset output
• Package: SOT-23-6
• Essence: Monitors the voltage level of a power supply and provides a reset signal when the voltage falls below a certain threshold.
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Reset Threshold Voltage Options: 2.63V, 3.08V, 4.38V, or adjustable
• Reset Timeout Period Options: 140ms, 560ms, 1120ms, or adjustable
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6831TZUT+T has a total of six pins:

1. GND: Ground connection
2. RESET: Active-low reset output
3. MR: Manual reset input
4. VCC: Positive supply voltage
5. TH: Threshold voltage selection pin
6. TO: Reset timeout period selection pin

Functional Features

• Monitors the supply voltage and generates a reset signal when it falls below the selected threshold voltage.
• Provides a manual reset option through the MR pin.
• Offers flexibility in selecting the threshold voltage and reset timeout period.
• Low-power consumption for efficient operation.

Advantages and Disadvantages

Advantages: - High accuracy in monitoring the supply voltage. - Wide operating voltage range allows compatibility with various systems. - Adjustable threshold voltage and reset timeout period provide customization options. - Small package size enables space-saving designs.

Disadvantages: - Limited number of threshold voltage and reset timeout period options. - Lack of built-in protection features against voltage spikes or transients.

Working Principles

The MAX6831TZUT+T operates by continuously monitoring the supply voltage through the TH pin. When the voltage falls below the selected threshold, the RESET pin is activated, providing a reset signal to the system. The reset timeout period determines how long the reset signal remains active after the voltage returns above the threshold.

Detailed Application Field Plans

The MAX6831TZUT+T finds applications in various fields, including:

1. Microcontrollers: Ensures reliable operation by resetting the microcontroller when the supply voltage drops below a critical level.
2. Battery-Powered Devices: Protects battery life by initiating a shutdown or hibernation mode when the battery voltage reaches a low level.
3. Industrial Control Systems: Monitors power supply integrity and triggers appropriate actions in case of voltage fluctuations or failures.
4. Automotive Electronics: Safeguards sensitive electronic components from voltage variations, ensuring proper functioning of automotive systems.

Detailed and Complete Alternative Models

1. MAX6830TZUT+T: Similar to MAX6831TZUT+T but with different threshold voltage options.
2. MAX6832TZUT+T: Voltage supervisor with additional features like watchdog timer and adjustable reset timeout period.
3. MAX6381XR46D3-T: Voltage monitor with fixed threshold voltage and adjustable reset timeout period.

(Note: This list is not exhaustive and other alternative models may exist.)

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